Dimensions (bottom diameter x height): 6cm or 10.5cm, bottle holder diameter is about 70mm-80mm. Its arms can wrap around the bottle and provide a secure and firm grip. I don't have to worry about it falling off.360 rotation: the bicycle bottle cage can be installed on the handlebars, down tube, front fork and front tube . Either way, the cup holder can be rotated upwards at any angle. You don't have to worry about spilled drinks.Wide range of uses: suitable for mountain bikes, bicycles, strollers, wheelchairs, etc. Compatible with most strollers, such as Chicco, Britax, Peg Perego, City Mini, etc. The bottle cage can be used to place baby bottles, water bottles, drinks, juices, etc.Advanced environmental protection materials: The bottle cage is made of ABS plastic. quality and metal fittings, which is very durable. It's the perfect bike accessory and won't wear off the bike's paint.Easy to install: no tools required Simply place the cup holder where you want it, instead Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.